The purpose of the research – is to study the performance audit of public investment projects through the application of international auditing standards for the public sector.

The methodology of the research – systematic approach, comparative analysis, logical generalization methods were used in the research paper.

The practical importance of the research – along with the application of international auditing standards for the public sector, the coverage of the process based on best practices in the management of public investment projects states the importance of the application of the article.

The results of the research – taking into account the best practices in public investment management and the application of international auditing standards, the results regarding to effective and systematic performance audit of public investment projects have been achieved.

The originality and scientific novelty of the research – although various studies have been conducted on performance audit of public investment projects, it should be noted that research in this area is in short supply. The article will contribute to the research conducted on the performance audit of projects and the auditors involved in the audit of the relevant field.

Keywords: public investment projects, ISSAI, public sector audit, financial audit, compliance audit, performance audit, economy, efficiency, effectiveness.